Design , Engineering and Construction of Storm Water drain to prevent water logging in and around Munuswamy Salai in Adyar Basin in Zone 10

Amount

Picking Existing Black Top Surface upto 2 to 5 cm

Earth work excavation in all soils and sub soils for foundations excluding refilling with initial lead of 10 m and lift of 2 m.

Providing CC.1:4:8 with 40mm B.G.jelly for foundation including cost and conveyance of all materials and labour charges for ramming, curing, and finishing etc., - 1 Cum

Supplying and erecting centering for sides and soffits including supports and shuttering upto 3m high for plane surface such asside slabs of RCC boxing and similar vertical RCC slab etc. withall cross bracings using mild steel sheets of size 90x60cm and 10gauge stiffened with welded mild steel angles of size 25x25x3mm for boarding laid over Oak (country wood) joists of size 10x6.5cm spaced at about 90cm centre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cm centre to centreetc. complete

Supplying and placing of Ready Mix M20 Graded of Concrete confirming to IS 456/2000 for Reinforcement Cement Concrete Structural elements under controlled water cement ratio using 20mm and down graded machine broken granite stone jelly including transportation and pumping excluding cost of centering and shuttering and reinforcement but including curing, finishing etc as directed by departmental officers

Supplying and fabricating RTS / TMT STEEL rods including cutting, bending hooks, cranking, fabricating, assembling and laying in exact position,typing with soft steel wire 16 gauge ,etc., complete conforming to BIS std.

Refilling with excavated earth in regular layers of 15cm thickeach including carefully ramming watering consolidating etc. complete for foundation and basement.

Carting away the surplus earth/debris to a lead of 12km.including Loading, unloading and dumping in the Corporation Land as directed during execution

supplying of PVC pipes 160mm dia with ISI monogram (working pressure 6kg/cm2)

Supplying and fixing of PVC pipe of 20mm dia (PVC Finolex or Equivalent with ISI Monongram with working pressure of 10Kg/Cm2) for replacing water pipes

Providing Iron Barricading of size 2m width and 1 m height with 40mm dia MS Tubular pipe for vertical supports on both sides and three lines of barricading with 25mm size MS tubular pipe and 2 x 1m M.S. Sheet with name board of size 0.60 x 0.45 m size M.S.sheet (20 gauge) including Cutting, Welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality with fixing of indication with reflecting stickers and ecessary interlocking arrangements with adjoining units and placing the barricading units as directed at the site for a period of 28 days. The M.S. Sheet barricading is a temproray barricading and can be removed and reused after the completion of work in a particular stretch.

Construction of cast -in- situ Silt Catch Pit With Rain Water Harvesting Structure of inner size 600 X 600 x 600 mm including necessary earth work excavation including providing foundation in PCC 1:5:10 under walls 150mm thick and cutting the existing storm water drain of size 300 x 150mm for fixing 2 Nos of 160mm dia PVC pipe on the storm water drain mouth, with RCC cast in situ wall of size 120mm in RCC 1:1.5:3 with steel of 10.60 kg including fixing Ductile Iron grating hinged with frame Clear opening of size 600 x 600mm of class C-250 (Heavy Duty 25MT) - completing the finishing work etc., cost per each number. Using Hand Bore Set drilling of bore hole of 300mm dia upto 4.35m depth including shifting of the hand bore from one place to another place within 5 km and filling in with 40mm HBG metal with 200mmdia pvc pipe 6kg/cm2

Construction of cast -in- situ Silt Catch Pit of inner size 450 X 450 X 450 mm including necessary earth work excavation including providing foundation in PCC 1:5:10 under wall 150mm thick and cutting the existing storm water drain of size 300 x 150mm for fixing 2 Nos of 160mm dia PVC pipe on the storm water drain mouth with RCC cast in situ wall of size 120mm in RCC 1:1.5:3 with steel of 9.25 kg including fixing Ductile Iron grating hinged with frame clear opening 450 x 450mm -25 MT -completing the finishing work etc

Supplying and fixing of FRP manhole door with cover 900mm dia (cirucular) Heavy Duty (20 - MT) load capacity of approved brand confirming to BSEN – 124:1994. Product shall have top abrasion resistant layer of decorative grey granite finish confirming to test performed as per IS – 15658:2006. It shall also confirm “Permanentd with anti corrosive bitumastic paint

Hire charges for diesel pumpset above 3Hp to 7.5Hp with fuel and crew charges including transportation

Towards the hire charges for providing temporary approach platforms to the residences near execution site including the cost of fabrication,placing properly across the drains removing the same after the work is complete etc as directed by Engineer in harge. The approach platform will be made of .40mx1.20m - 6mm MS sheet fabricated with 50mm dia B-class MS pipe- 3.6m at bottom longitudinal and 3 Nos MS flat 25mmx6mm cross direction and both side of hand rail with 50mm dia 1 No of horizontal and 2 Nos of Vertical support including fixing MS flat drilled and suitable for joining with bolts and nuts including cost of materials, welding, painting etc complete

Dismantling RCC Slab(reinforcement is beingcorroded) from Strom Water Drain - Steel is declaredunfit for reuse

Extra Labour for RCC precase works including moulding with necessary centering materials plastering the exposed surface withC.M.1:3 (1 cement and 3 Crushed Stone Sand (Commercially called M-Sand)) 10mm thick and rendering smooth with cement at 1.5kg per 1sq.m.curing for 7 days fixing inposition,etc.,complete as directed furing execution.

Supplying and fixing of 24" FRC manhole cover with frame 600mm dia clear opening heavy duty as per IS:12592/2002. The frame & cover shall bear a non fracture load of 20MT for 30seconds with frame height of 165mm, cover height 90mm, Bearing (Seating area of cover)75mm with Hot Dip Galvanizing Hook of cover 16mm, frame edge protection flat of size 25 x 3mm exposed surface of M.S. rings shall be painted with anti corrosive bitumastic paint (SWD 5)

Design, Engineering , Hydrological modeling, Structural services